-er -ic -up b-p b-u bbb bbc bbe bbf bbi bbk bbn bbo bbp bbr bbs bbt bbu bcb bcc bce bcf bci bck bcn bco bcp bcr bcs bct bcu be- beb bec bee bef bei bek ben beo bep ber bes bet beu bfb bfc bfe bff bfi bfn bfo bfp bfr bfs bft bfu bi- bib bic bie bif bii bik bin bio bip bir bis bit biu bkb bkc bke bkf bkk bkn bko bkp bkr bks bkt bnb bnc bne bnf bni bnk bnn bno bnp bnr bns bnt bnu bob boc boe bof boi bok bon boo bop bor bos bot bou bpb bpc bpe bpf bpi bpn bpo bpp bpr bps bpt bpu brb bre brf bri brk brn bro brp brr brs brt bru bsb bsc bse bsf bsi bsk bsn bso bsp bsr bss bst bsu btb btc bte btf bti btk btn bto btp btr bts btt btu bub buc bue buf bui buk bun buo bup bur bus but buu c-- cbb cbc cbe cbf cbi cbk cbn cbo cbp cbr cbs cbt cbu ccb ccc cce ccf cci cck ccn cco ccp ccr ccs cct ccu ce- ceb cec cee cef cei cek cen ceo cep cer ces cet ceu cfb cfc cfe cff cfi cfk cfn cfo cfp cfr cfs cft cfu ci- cib cic cie cif cii cik cin cio cip cir cis cit ciu ckb ckc cki cko cks ckt cn- cnb cnc cne cnf cni cnn cno cnp cnr cns cnt cnu co- cob coc coe cof coi cok con coo cop cor cos cot cou cpb cpc cpe cpf cpi cpk cpn cpo cpp cpr cps cpt cpu crb crc cre crf cri crk crn cro crp crr crs crt cru csb csc cse csf csi csk csn cso csp csr css cst csu ctb ctc cte ctf cti ctk ctn cto ctp ctr cts ctt ctu cub cuc cue cuf cui cuk cun cuo cup cur cus cut cuu ebb ebc ebe ebf ebi ebk ebn ebo ebp ebr ebs ebt ebu ec- ecb ecc ece ecf eci eck ecn eco ecr ecs ect ecu eeb eec eee eef eek een eeo eep eer ees eet ef- efb efc efe eff efi efo efp efr efs eft eib eic eie eif eii eik ein eio eip eir eis eit eiu ekb ekc eke ekf eki eko ekp ekr eks ekt eku en- enb enc ene enf eni enk enn eno enp enr ens ent enu eo- eob eoc eoe eof eoi eok eon eoo eop eor eos eot eou ep- epb epc epe epf epi epn epo epp epr eps ept epu erb erc ere erf eri erk ern ero erp err ers ert eru es- esb esc ese esf esi esk esn eso esp esr ess est esu etb etc ete etf eti etk etn eto etp etr ets ett etu eu- eub euc eue euf eui eun eup eur eus eut fbb fbc fbe fbf fbi fbk fbn fbo fbp fbr fbs fbt fbu fcb fcc fce fcf fci fck fcn fco fcp fcr fcs fct fcu feb fec fee fef fei fek fen feo fep fer fes fet feu ffc ffe fff ffi ffk ffn ffo ffp ffr ffs fft ffu fib fic fie fif fii fik fin fip fir fis fit fiu fkb fkc fkf fki fkk fkp fkt fnb fnc fne fnf fni fnk fnn fnp fnr fns fnt fnu fob foc foe fof foi fok fon foo fop for fos fot fou fpb fpc fpe fpi fpk fpn fpo fpp fpr fps fpt fpu frb frc fre frf fri frk frn fro frp frr frs frt fru fsb fsc fse fsf fsi fsk fsn fso fsp fsr fss fst fsu ftb ftc fte ftf fti ftk ftn fto ftp ftr fts ftt ftu fub fue fuf fui fuk fun fuo fup fur fus fut fuu i-f ibb ibc ibe ibf ibi ibk ibn ibo ibp ibr ibs ibt ibu icb icc ice icf ici ick icn ico icp icr ics ict icu ie- iec iee ief iei iek ien iep ier ies iet ifb ifc ife iff ifi ifn ifo ifp ifr ifs ift ifu iib iic iie iif iii iin iio iip iir iis iit iiu ikb ikc ike ikf iki ikk iko ikr iks ikt iku in- inb inc ine inf ini ink inn ino inp inr ins int inu io- iob ioc ioe iof ioi ion ioo iop ior ios iot iou ipb ipc ipe ipf ipi ipn ipo ipp ipr ips ipt ipu ir- irb irc ire irf iri irk irn iro irp irr irs irt iru is- isb isc ise isf isi isk isn iso isp isr iss ist isu itb itc ite itf iti itk itn ito itp its itt itu iu- iub iuc iue iui iup iur ius iut k-t kbb kbc kbe kbf kbi kbk kbn kbo kbp kbr kbs kbu kcb kcc kce kci kck kcn kcp kcr kcs kct kcu ke- keb kec kee kef kei kek ken keo kep ker kes ket kfc kff kfi kfo kfs kfu kib kic kie kif kii kik kin kio kip kir kis kit kiu kkb kkc kke kki kkk kkn kkp kkr kks kkt kku kn- knc kne knf kni knk knn kno knp knr knt knu kob koc koe kof koi kok kon koo kop kor kos kot kou kpc kpe kpf kpi kpk kpn kpo kpp kpr kps kpt kpu krc krf kri krk krn kro krp krr krs krt kru ksb ksc kse ksf ksi ksk ksn kso ksp ksr kss kst ksu ktb ktc kte ktf ktk ktn kto ktp ktr kts ktt ktu kub kuc kue kui kuk kun kup kur kus kut kuu n-i nbb nbc nbe nbf nbi nbk nbn nbo nbp nbr nbs nbt nbu ncb ncc nce ncf nci nck ncn nco ncp ncr ncs nct ncu ne- neb